             ret (auction fp arg)]
        (is ret)
        (is (= dsp1 (:dsp ret)))
-       (is (= bid-price (:second-price ret)))))
+       (is (= bid-price (:win-price ret)))))
 
     (testing "more than 1 valid response"
       (let [fp 4.0

            ret (auction fp arg)]
       (is ret)
       (is (= dsp1 (:dsp ret)))
       (is (= fp   (:second-price ret)))))

    (testing "one valid response without fp"
      (let [fp nil

            ret (auction fp arg)]
        (is ret)
        (is (= dsp2 (:dsp ret)))
        (is (= (+ 1 bid-price1) (:win-price ret)))))))
